Provided are a salt capable of producing a resist pattern with satisfactory CD Uniformity (CDU), an acid generator, and a resist composition. Disclosed are a salt represented by formula (I), an acid generator, and a resist composition:

##STR00001##

wherein, in formula (I), R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each represent a halogen atom, a haloalkyl group, etc.; A.sup.1, A.sup.2 and A.sup.3 each represent a hydrocarbon group, etc.; m1 and m4, m5, m6 and m7 represent an integer of 0 to 5, m2, m3, m8 and m9 represent an integer of 0 to 4, 0≤m1+m7≤5, 0≤m2+m8≤4, 0≤m3+m9≤4, and at least one of m1, m2 and m3 represents an integer of 1 or more; X.sup.4 represents a single bond, —CH.sub.2—, —O—, —S—, —CO—, —SO— or —SO.sub.2—; and AI.sup.− represents an organic anion.

Provided are a salt capable of producing a resist pattern with satisfactory CD Uniformity (CDU), an acid generator, and a resist composition. Disclosed are a salt represented by formula (I), an acid generator, and a resist composition:

##STR00001##

wherein, in formula (I), R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each represent a halogen atom, a haloalkyl group, etc.; A.sup.1, A.sup.2 and A.sup.3 each represent a hydrocarbon group, etc.; m1 and m4, m5, m6 and m7 represent an integer of 0 to 5, m2, m3, m8 and m9 represent an integer of 0 to 4, 0≤m1+m7≤5, 0≤m2+m8≤4, 0≤m3+m9≤4, and at least one of m1, m2 and m3 represents an integer of 1 or more; X.sup.4 represents a single bond, —CH.sub.2—, —O—, —S—, —CO—, —SO— or —SO.sub.2—; and AI.sup.− represents an organic anion.

Provided are an OLED compound, an organic electronic element employing the compound, and an electronic device comprising the element, where the compound improves the luminous efficiency, stability and lifetime of the organic electronic element.

An aqueous radiation curable dispersant formulation includes water and styrene acrylic resin stabilized thioxanthone derivative photoinitiator particles dispersed in the water. The styrene acrylic resin stabilized thioxanthone derivative photoinitiator particles have a volume-weighted mean diameter of less than 40 nm. The styrene acrylic resin stabilized thioxanthone derivative photoinitiator particles include a water-insoluble, thioxanthone derivative photoinitiator core having one, two, or three units, wherein a structure of the unit is: and x=2-12. When the water-insoluble, thioxanthone derivative photoinitiator core includes two units or three units, the units are covalently bonded together.

Provided are a compound capable of improving the luminous efficiency, stability and lifespan of a device employing the same, an organic electronic element using the same, and an electronic device thereof.

Provided are a compound capable of improving the luminous efficiency, stability and lifespan of a device employing the same, an organic electronic element using the same, and an electronic device thereof.

An organic compound represented by formula (1). In formula (1), each of R.sub.1 to R.sub.22 is independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group. ##STR00001##

Disclosed are compounds, compositions, and methods useful for treating neuronal and mitochondrial diseases.

A compound shown by the following general formula (1-1), ##STR00001##
AR1 and AR2 each independently represent an aromatic ring or an aromatic ring containing at least one nitrogen and/or sulfur atom, two AR1s, AR1 and AR2, or two AR2s are optionally bonded; AR3 represents a benzene, naphthalene, thiophene, pyridine, or diazine ring; A represents an organic group; B represents an anionic leaving group; Y represents a divalent organic group; “p” is 1 or 2; “q” is 1 or 2; “r” is 0 or 1; “s” is 2 to 4; when s=2, Z represents a single bond, divalent atom, or divalent organic group; and when s=3 or 4, Z represents a trivalent or quadrivalent atom or organic group. This compound cures to form an organic film, and also forms an organic under layer film.

Provided is a compound of Chemical Formula 1:

##STR00001## wherein X is O or S; L1 and L2 each independently is a direct bond or a substituted or unsubstituted arylene group; X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, and at least two of X1 to X3 are N; R1 to R3 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; Ar1 and Ar2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; positions at which

##STR00002##

is substituted with

##STR00003##

are asymmetric; m1, m2, n1 and n2 each independently is 0 or 1; and m1+m2 is 1, and n1+n2 is 1, and an organic light emitting device comprising the same.